pgindent the segadmin.c
pgindent the segadmin.c

Signed-off-by: Ashwin Agrawal <924bf3437ad315c1c74f9c41d83153600b05f548@pivotal.io>

adam8157/gpdb,greenplum-db/gpdb,adam8157/gpdb,edespino/gpdb,50wu/gpdb,Chibin/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,xinzweb/gpdb,ashwinstar/gpdb,edespino/gpdb,edespino/gpdb,lisakowen/gpdb,ashwinstar/gpdb,edespino/gpdb,jmcatamney/gpdb,Chibin/gpdb,edespino/gpdb,yuanzhao/gpdb,adam8157/gpdb,lisakowen/gpdb,Chibin/gpdb,adam8157/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,xinzweb/gpdb,adam8157/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,lisakowen/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,jmcatamney/gpdb,jmcatamney/gpdb,adam8157/gpdb,yuanzhao/gpdb,lisakowen/gpdb,50wu/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,Chibin/gpdb,adam8157/gpdb,edespino/gpdb,greenplum-db/gpdb,edespino/gpdb,ashwinstar/gpdb,lisakowen/gpdb,xinzweb/gpdb,jmcatamney/gpdb,lisakowen/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,Chibin/gpdb,50wu/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,edespino/gpdb,Chibin/gpdb,xinzweb/gpdb,50wu/gpdb,greenplum-db/gpdb,lisakowen/gpdb,Chibin/gpdb,xinzweb/gpdb,50wu/gpdb,50wu/gpdb,Chibin/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,50wu/gpdb,edespino/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,xinzweb/gpdb,edespino/gpdb,adam8157/gpdb,xinzweb/gpdb,ashwinstar/gpdb,Chibin/gpdb,Chibin/gpdb,50wu/gpdb,xinzweb/gpdb,jmcatamney/gpdb,jmcatamney/gpdb,lisakowen/gpdb